the resistance band crab walk is a great exercise to strengthen legs, glutes, core, shoulders, and arms. This exercise is great for shoulder mobility and health as well as mobility and health for the hips. This exercise can also improve endurance. Learn more about properly executing this exercise with the video above.
Regression
Make this move easier by only traveling out as far into the training zone as you can manage and then return to the start. Another option is to use a lighter resistance.
Progression
Increase the intensity of this move by using a heavier resistance or by moving faster.